package lab02.test20;

import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        //用户从键盘输入一行含有数字和字符的字符串
        String result;
        //从键盘输入数据
        Scanner scanner=new Scanner(System.in);
        result=scanner.next();
        //仅仅输出字符串中的全部数字字符
        char tmp;
        int i;
        for(i=0;i<result.length()-1;i++){
            tmp=result.charAt(i);
            if(tmp>='0'&&tmp<='9'){
                System.out.println(tmp);
            }
        }
    }
}
